#version 330 core
out vec4 FragColor;  // 输出片段颜色

in vec2 TexCoord;


uniform sampler2D frameTexture;
void main()
{
    if(texture(frameTexture, TexCoord).a < 0.5) discard;
    FragColor = vec4(1.0, 1.0, 1.0, 1.0);
}